Funding for this research was provided by:
National Natural Science Foundation of China (81770955, 81570879)
Received: 15 February 2019
Accepted: 20 May 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the principles of the Declaration of Helsinki and was approved by the Ethics Committee of the Eye and ENT Hospital Review Board of Fudan University. Written informed consent was obtained from all patients after the nature and possible consequences of the study were explained.
: All participants in this study signed written consent forms for the publication of their relevant clinical data.
: The authors declare that there is no competing interest.